Increase Voting Diskgroup Size

Here is an example of how to increase GI voting disk group size.

1. Add a new disk with bigger size into current voting disk group.
2. Drop the old small size disk.

SQL> select NAME, STATE,VOTING_FILES,total_mb, free_mb 
     from v$asm_diskgroup
     where NAME='VOTE_OCR";

NAME     STATE  VOTING_FILES TOTAL_MB FREE_MB
VOTE_OCR MOUNTED Y              51196    6352

SQL> alter diskgroup VOTE_OCR add disk '/dev/ASM/VOTE_OCR_002' NAME VOTE_OCR_002;

Diskgroup altered.

SQL> select NAME, STATE,VOTING_FILES,total_mb, free_mb 
     from v$asm_diskgroup
     where NAME='VOTE_OCR";

NAME     STATE  VOTING_FILES TOTAL_MB FREE_MB
VOTE_OCR MOUNTED Y           153592   108736 

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SQL> alter diskgroup VOTE_OCR drop disk 'VOTE_OCR_001';

Diskgroup altered.